20890425

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4721}}^1$

素因数の和:4793

約数の個数: 24

約数和(自身を含む): 35131680

約数和(自身を除く): 14241255

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 4721, 14163, 23605, 70815, 118025, 278539, 354075, 835617, 1392695, 4178085, 6963475, 20890425]

約数ペア:

[(1, 20890425), (3, 6963475), (5, 4178085), (15, 1392695), (25, 835617), (59, 354075), (75, 278539), (177, 118025), (295, 70815), (885, 23605), (1475, 14163), (4425, 4721)]